Midday movers: Amgen, Groupon, Walt Disney & more

A live market monitor is viewed on the floor of the New York Stock Exchange (NYSE).

Take a look at some of Monday's midday movers:

Amgen - The biotechnology company rose after it said its blood-cancer drug met its main goal in a late-stage trial.

BioCryst Pharmaceuticals - The drug developer advanced as it's currently developing a drug to treat a broad spectrum of viruses including Ebola, with the partial support of the National Institutes of Health.

Durata Therapeutics - The drug maker gained after saying its Dutch subsidiary had entered into an agreement with Italy's Angelini to market its antibiotic to treat skin infections.